A specially shaped fabrication of ferrous or nonferrous bulk material. It has a cross section not conforming to the letters h, i, t, or z.
NSN 6645-01-449-1824
NSN 6110-01-654-2172
NSN 2925-01-115-8072
NSN 5998-00-241-8715
NSN 5965-00-888-2643
NSN 6650-00-287-5868
NSN 5905-01-535-0476
NSN 5930-00-770-7233
NSN 5985-00-164-8271
NSN 5998-01-358-8119
NSN 6145-01-487-3773
NSN 4140-01-473-9080